Annotations: 1IZ1

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1iz1a1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	LysR-like transcriptional regulators	LysR-type regulatory protein CbnR	(Cupriavidus necator ) [TaxId: 106590 ],	SCOPe (2.08)
A	d1iz1a2	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	LysR-type regulatory protein CbnR	(Cupriavidus necator ) [TaxId: 106590 ],	SCOPe (2.08)
B	d1iz1b1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	LysR-like transcriptional regulators	LysR-type regulatory protein CbnR	(Cupriavidus necator ) [TaxId: 106590 ],	SCOPe (2.08)
B	d1iz1b2	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	LysR-type regulatory protein CbnR	(Cupriavidus necator ) [TaxId: 106590 ],	SCOPe (2.08)
C [auth P]	d1iz1p1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	LysR-like transcriptional regulators	LysR-type regulatory protein CbnR	(Cupriavidus necator ) [TaxId: 106590 ],	SCOPe (2.08)
C [auth P]	d1iz1p2	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	LysR-type regulatory protein CbnR	(Cupriavidus necator ) [TaxId: 106590 ],	SCOPe (2.08)
D [auth Q]	d1iz1q1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	LysR-like transcriptional regulators	LysR-type regulatory protein CbnR	(Cupriavidus necator ) [TaxId: 106590 ],	SCOPe (2.08)
D [auth Q]	d1iz1q2	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	LysR-type regulatory protein CbnR	(Cupriavidus necator ) [TaxId: 106590 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Type 2 solute binding protein-like	8017746	3000083	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Winged helix DNA-binding domain	8017744	3000034	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Winged helix DNA-binding domain	8017744	3000034	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Type 2 solute binding protein-like	8017746	3000083	SCOP2B (2022-06-29)
C [auth P]	SCOP2B Superfamily	Winged helix DNA-binding domain	8017744	3000034	SCOP2B (2022-06-29)
C [auth P]	SCOP2B Superfamily	Type 2 solute binding protein-like	8017746	3000083	SCOP2B (2022-06-29)
D [auth Q]	SCOP2B Superfamily	Winged helix DNA-binding domain	8017744	3000034	SCOP2B (2022-06-29)
D [auth Q]	SCOP2B Superfamily	Type 2 solute binding protein-like	8017746	3000083	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00126	e1iz1A1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF00126	ECOD (1.6)
A	PF03466	e1iz1A3	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: PF03466	ECOD (1.6)
B	PF00126	e1iz1B1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF00126	ECOD (1.6)
B	PF03466	e1iz1B3	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: PF03466	ECOD (1.6)
C [auth P]	PF00126	e1iz1P1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF00126	ECOD (1.6)
C [auth P]	PF03466	e1iz1P3	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: PF03466	ECOD (1.6)
D [auth Q]	PF00126	e1iz1Q1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF00126	ECOD (1.6)
D [auth Q]	PF03466	e1iz1Q3	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: PF03466	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
A	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)
B	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
B	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)
C [auth P]	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
C [auth P]	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)
D [auth Q]	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
D [auth Q]	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C [auth P], D [auth Q]	PF03466	LysR substrate binding domain (LysR_substrate)	LysR substrate binding domain	-	Family
A, B, C [auth P], D [auth Q]	PF00126	Bacterial regulatory helix-turn-helix protein, lysR family (HTH_1)	Bacterial regulatory helix-turn-helix protein, lysR family	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C [auth P], D [auth Q]	LysR-type regulatory protein	transcription regulator activity DNA-binding transcription factor activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C [auth P], D [auth Q]	IPR005119	LysR, substrate-binding	Domain
A, B, C [auth P], D [auth Q]	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B, C [auth P], D [auth Q]	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A, B, C [auth P], D [auth Q]	IPR000847	Transcription regulator HTH, LysR	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.